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OS MCQ and Objective Questions Part 8 | Operating System MCQ | Operating System Objective type Questions 

About Operating System : An operating system i.e. OS is a system software, which is bridge of Device hardware and software. It is also manage device hardware and device applications and provide access to the users. Actually OS is a program which is developed by device (like computer, laptop, mobile etc) manufacturer. It is designed for the specific purpose and for better experience to the users. The main function of OS is to manage user input and output command, mass storage, time sharing, speed,, etc.
               There are many Operating system available in the market like: Microsoft Window, MacOS, Linux, Android, iOS. There are many types of Operating System, which is depended upon user and tasking:
Single tasking and multi tasking: In the single tasking system only one program run at a time but in the multi tasking more than one program run at a time.
Single User and multi user: In the Single user system only one user access at a time but in the multi user system more than one user access system at a time.

176. Which of the following is default location of saving and opening file?
A Desktop
B My computer
C My documents
D All of above
ANS
177. By default we can save the file in
A Desktop
B Recycle bin
C My document
D My computer
ANS


178. ____ is the operating systems File and folder Manager
A Windows Explorer
B Windows Control Panel
C My Computer
D My Documents
ANS
179. It is used to explorer the contents of computer, drives as well as manage files
A Recycle bin
B My Document
C My Computer
D My Network Place
ANS
180. The necessary conditions needed before deadlock can occur?
A No Mutual Exclusion, Hold and wait, Preemption, Circular Wait
B Mutual Exclusion, No Hold and wait, Preemption, Circular Wait
C Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
D Mutual Exclusion, Hold and wait, Preemption, No Circular Wait
ANS
181. The OS used to operate the mobile phone is a
A Smart card OS
B Embedded OS
C Multiuser OS
D None of above
ANS

182. UNIX operating system is a(n)
A Time sharing operating system
B Multi-user operating system
C Multi-tasking operating system
D All of the above
ANS

Download Operating System Objective Question and Answer  | Computer OS MCQ

183. The ability of an operating system to control the activities of multiple program at the same time is called
A Multitasking
B Multiprocessing
C Multioperating
D Multipaging
ANS
184. The OS used to operate the mobile phone is a
A Smart card OS
B Embedded OS
C Multi user OS
D None of above
ANS
185. Unix Operating System is an
A Multi User Operating System
B Time Sharing Operating System
C Multi Tasking Operating System
D All the Above
ANS
186. ....is used in operating system to separate mechanism from policy
A Single level implementation
B Two level implementation
C Multi level implementation
D None
ANS
187. ______ is used in operating system to separate mechanism from policy
A Single level implementation
B Two level implementation
C Multi level implementation
D None
ANS


188. Essential files of MS DOS are
A Command.com
B Io.sys
C Msdos.sys
D All of above
ANS
189. Which Operating System doesn't support long file names?
A OS/2
B Windows 95
C MS-DOS
D Windows NT
ANS
190. We need system files to run
A MS Word
B MS Excel
C MS Dos
D MS Access
ANS
191. What is the function of folder?
A Save files
B Delete files
C Move files
D All of the above
ANS

Download Operating System Objective Question and Answer  | Computer OS MCQ

192. Which command is used to open the directory?
A Open
B Chdir
C Move
D All of above
ANS
193. Which button might you find in a windows title bar?
A Close button
B Maximize button
C Minimize button
D All of the above
ANS
194. Press the ....button to have the window fill the entire screen
A Close
B Maximize
C Minimize
D none of the above
ANS


195. Which windows features can be accessed from the start menu?
A Help
B Windows Explorer
C Microsoft Network
D All of above
ANS
196. ... are list of commands that appear on the screen
A GUIS
B Icons
C Menus
D Windows
ANS
197. The box on .... that allows you to choose where to go and is located below the standard toolbar
A System menu
B Address bar
C Menu bar
D None of these
ANS

Download Operating System Objective Question and Answer  | Computer OS MCQ

198. A .... is a set of computer instructions that carry out a task on the computer
A Program
B Database
C Memory files
D None of the above
ANS
199. Which command is used to copy system files?
A Sys
B Command
C MD
D Move
ANS
200. To make file in MS Dos we need command
A Copy
B Copy con
C MD
D Make File
ANS


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